Cabforce provides the ultimate airport pick-up experience.

Concept: Cabforce makes it possible to pre-book and pay for rides to and from airports and hotels. When you arrive at the airport, a Cabforce driver will be there waiting for you, holding up a sign with your name on it. Cabforce offers competitive pricing, fixed rates, and even monitors flight schedules to ensure the car will be on time. So far, Cabforce is available in 68 European cities, and in Miami, Fla. and New York, N.Y.

Moves is a mobile fitness tracking app.

Concept: Moves is a free iPhone app that runs in the background to track activities like walking, running, cycling, and driving. Moves will release an app for Android this summer. Moves has been downloaded over 1.9 million times on iOS and tracks 2 billion steps per day. Compare that to the Jawbone Up, which tracks more than 1 billion steps per day, according to data released in April.

Funding: $1.6 million from PROfounders Capital and Lifeline Ventures.

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10Monkeys wants to help kids learn math.

Concept: 10Monkeys aims to teach six to 10 year-old kids basic math skills in a game-like environment. Its web application is geared toward teachers to use in the classroom setting as well as private educators in tutor centers. Teachers and educators can track the progress of each individual student and easily identify which concepts they're struggling with. 10Monkeys plans to release its first mobile app for kids to act as a supplement to their in-classroom learning.

Funding: N/A

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GrandCru develops creativity-based mobile games.

Concept: GrandCru is launching its flagship game The Supernauts this summer. The Supernauts allows users to create their own unique 3D world, explore space, and rescue humans from a flooded Earth. The Supernauts also enables synchronous play so you can build with friends all over the world.

IndoorAtlas maps out indoor locations.

Concept: An indoor location and positioning startup. Indoor Atlas uses magnetic anomalies inside buildings and smartphones to effectively map indoors. IndoorAtlas offers its API to companies and retailers to create indoor-location applications. With IndoorAtlas, shopping malls could easily create an app to help its customers navigate from store to store, and even within each store.

Funding: $640,000 from Mobility Ventures.

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Walkbase is aiming to be the Google Analytics of the physical retail world.

Concept: Walkbase aims to help brick-and-mortar retailers better understand the behavior of their consumers. Walkbase tracks every customer with a WLAN-enabled smartphone. That means any phone with Wi-Fi turned on is subject to tracking, but all of the data collected is completely anonymous. Users can also opt-out of being tracked by simply turning off Wi-Fi.

Walkbase provides analytics like capture rate (% of passerbys that actually walk into the store), volume trends (changes in foot traffic), dwell time (how long they spend inside the store), repeat versus new customers, and behavior inside the store.